mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-08-22 17:55:18 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 11

Merge deoptimization blocks in interpreter (GH-32155)

Browse source
This commit is contained in:
Mark Shannon 2022-03-30 13:11:33 +01:00 • committed by GitHub
parent 75eee1d57e
commit 04acfa94bb
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
3 changed files with 28 additions and 36 deletions
Download patch file Download diff file Expand all files Collapse all files

6
Python/specialize.c
View file

@ -17,7 +17,7 @@
/* Map from opcode to adaptive opcode.
Values of zero are ignored. */
static uint8_t adaptive_opcodes[256] = {
uint8_t _PyOpcode_Adaptive[256] = {
[LOAD_ATTR] = LOAD_ATTR_ADAPTIVE,
[LOAD_GLOBAL] = LOAD_GLOBAL_ADAPTIVE,
[LOAD_METHOD] = LOAD_METHOD_ADAPTIVE,
@ -143,7 +143,7 @@ print_spec_stats(FILE *out, OpcodeStats *stats)
* even though we don't specialize them yet. */
fprintf(out, "opcode[%d].specializable : 1\n", FOR_ITER);
for (int i = 0; i < 256; i++) {
if (adaptive_opcodes[i]) {
if (_PyOpcode_Adaptive[i]) {
fprintf(out, "opcode[%d].specializable : 1\n", i);
}
PRINT_STAT(i, specialization.success);
@ -259,7 +259,7 @@ _PyCode_Quicken(PyCodeObject *code)
_Py_CODEUNIT *instructions = _PyCode_CODE(code);
for (int i = 0; i < Py_SIZE(code); i++) {
int opcode = _Py_OPCODE(instructions[i]);
uint8_t adaptive_opcode = adaptive_opcodes[opcode];
uint8_t adaptive_opcode = _PyOpcode_Adaptive[opcode];
if (adaptive_opcode) {
_Py_SET_OPCODE(instructions[i], adaptive_opcode);
// Make sure the adaptive counter is zero: